CN102685901B - For the method and apparatus that the Resourse Distribute in radio communications system controls - Google Patents
For the method and apparatus that the Resourse Distribute in radio communications system controls Download PDFInfo
- Publication number
- CN102685901B CN102685901B CN201210033139.7A CN201210033139A CN102685901B CN 102685901 B CN102685901 B CN 102685901B CN 201210033139 A CN201210033139 A CN 201210033139A CN 102685901 B CN102685901 B CN 102685901B
- Authority
- CN
- China
- Prior art keywords
- resource
- base station
- rach
- community
- resourse distribute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/02—Resource partitioning among network components, e.g. reuse partitioning
- H04W16/10—Dynamic resource partitioning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Abstract
The invention provides the method and apparatus controlled for the Resourse Distribute in radio communications system.Provide resource allocation control method and the equipment of the presence of intercell interference that can reduce in radio communications system.According to a kind of method that Resourse Distribute for the multiple minizones in radio communications system controls, the radio communication equipment controlling at least Liang Ge community respectively notifies the information of the control resource about its oneself community each other.In the resource of its oneself community, each radio communication equipment arranges buffer resource within the scope of the predetermined resource that the control resource with another community is corresponding.When receiving the information sending request in its oneself community, the distribution of each radio communication equipment restriction to set buffer resource.
Description
The divisional application of the application for a patent for invention of " method and apparatus for the Resourse Distribute in radio communications system controls " that the application is application number is 200810095082.7, the applying date, to be April 28, denomination of invention in 2008 be.
Technical field
The present invention relates to the radio communications system with multiple radio areas (hereinafter referred to as community), more specifically relate to the method and apparatus controlled for the Resourse Distribute in this system.
Background technology
In mobile communication system, base station and travelling carriage, in order to perform data communication, need to set up betwixt in advance synchronously.Because the initial access especially from travelling carriage is always not synchronous, therefore base station needs a certain process to set up uplink synchronisation with travelling carriage.
By the 3rd generation partner program (3GPP) standardized LTE (Long TermEvolution, Long Term Evolution) in, Random Access Channel (random access channel is provided for uplink synchronisation and uplink data send, and uplink shared channel (uplink shared channel, UL-SCH) RACH).RACH sends the control signal set up for uplink synchronisation and the channel of asking the resource sent for uplink data.In order to just can uplink synchronisation be set up without the need to very long delay, preferably RACH is sent collision probability and drop to low as far as possible (see 3GPP TS 36.300V.1.0.0, on March 19th, 2007).On the other hand, UL-SCH is the channel sending data and the 2nd layer/the 3rd layer of control packet.Because the transmitted power of UL-SCH especially can increase according to transmission rate, be therefore necessary to consider the interference with other signals.
Figure 1A is the diagram of the general structure of the mobile communication system schematically shown according to LTE, and Figure 1B is the resource structures figure of the radio resource schematically shown based on both frequency partition and time division.Here, travelling carriage is marked as " UE ", and it is the abbreviation of subscriber equipment (User Equipment).Assuming that the mobile station UE 1 being arranged in the community A of base station eNB 1 sends data by UL-SCH to base station eNB 1, and the mobile station UE 2 being arranged in the community B of base station eNB 2 is transmitted control signal to base station eNB 2 by RACH.
In Wideband Code Division Multiple Access (WCDMA) (WCDMA), RACH and EDCH (Enhanceddedicated Channel, enhancement type special channel) is to by the different spreading code of use and scrambler, multiplexing same frequency resources is shared.On the other hand, in LTE, the resource of multiple frequency division and time-division is shared exclusively by RACH and UL-SCH.Specifically, LTE up link has so a kind of resource structures: wherein the system bandwidth of 10MHz is time-divided into the time interval of 1msec, and each time interval is become the width of 1.25MHz by further frequency division.Correspond to the long time resource of 1msec with reference to Figure 1B, the t1 on trunnion axis, each in t2 ..., the FB#1 on vertical axis, each in FB#2 ... correspond to the wide frequency resource of 1.25MHz.Hereinafter, the rectangular block limited by a time resource and frequency resource as shown in Figure 1B will be called for short " resource ".
Determine to be how each base station eNB by this system resource allocation to RACH and UL-SCH.Usually, RACH resource is periodically distributed as shown in Figure 1B, so that mobile station UE does not need very long delay just can obtain the access to base station eNB.The all right multiple RACH resource of primary distribution, thus guarantee sufficient RACH access capacity.Which (which) resource each base station eNB general broadcast indicates be assigned to the information of RACH.Therefore, according to broadcast message, as long as each mobile station UE in community needs the access that just can obtain (one or more) RACH resource.In community, as long as the frequency partition according to Figure 1B and time divide distribute RACH resource and UL-SCH resource, RACH and UL-SCH would not direct interference each other.
But, when performing the Resourse Distribute in neighbor cell separately at different controlled entities, there is such possibility: the RACH transmission in one of community sends with the UL-SCH in another community to be disturbed.As mentioned above, because each base station eNB oneself is responsible for will the uplink resource allocation of the community of its control being subject to RACH and UL-SCH separately, the high-speed uplink data therefore existed in certain community sends the situation that the RACH in interference neighbor cell sends.Such as, when starting call establishment, consider that uplink synchronisation needs to send foundation by RACH, preventing of disturbing of this RACH is even more important.This is because if the RACH that the data in certain community send in interference neighbor cell sends, then in neighbor cell, call setup will be delayed by.This is not limited to the situation of call setup.When needing RACH to send before other process start, also can cause similar effect: specifically, because high-speed uplink data sends the strong uplink channel interference sent RACH, process is delayed by.
Fig. 2 A and Fig. 2 B is the schematic diagram of the example that presence of intercell interference is shown.Here, assuming that frequency resource by independent allocation to RACH and UL-SCH in A and B of community in each, as shown in Figure 2 A.If these communities A and B arrives away from each other can not interact, then interference is not a problem.But, if community A and B is neighbor cell as shown in Figure 1A, and the frequency band that the data that the mobile station UE 1 being arranged in community A performs send is consistent with the frequency band that the RACH that the mobile station UE 2 being arranged in community B performs sends and timing with timing, then the possibility that interference as shown in Figure 2 B occurs is very large.
Such as, with reference to figure 2B, when the mobile station UE 1 in the A of community is wished when sending data sometime, first mobile station UE 1 utilizes the RACH resource specified by the broadcast singal from base station eNB 1 to send to perform RACH.Then utilize the UL-SCH resource of being granted by the response from base station eNB 1, mobile station UE 1 starts uplink data and sends.Now, assuming that mobile station UE 2 starts RACH similarly send to utilize the resource consistent with the UL-SCH used in the A of community to send data, interference then owing to sending with the UL-SCH of the mobile station UE 1 in the A of community, the RACH that base station eNB 2 cannot detect from mobile station UE 2 sends.If receive response from base station eNB 2, then mobile station UE 2 increases transmitted power and repeats RACH transmission.After receive response (GRANT grants) from base station eNB 2, mobile station UE 2 starts UL-SCH and sends.As mentioned above, due to conflicting of sending with UL-SCH, the beginning of the communication of mobile station UE 2 is increased by the possibility of significant delays.
In order to avoid this interference, a kind of method that it is contemplated that is that search produces the resource of least interference and sent to RACH by this least interference Resourse Distribute, such as, described in Japanese patent application anexamined announcement No.2002-526970.But, according to the method, periodically cannot distribute RACH resource, cause mobile station UE unstable to the access of base station eNB, thus cause the possibility of long delay very high.In addition, be generally assigned to data send owing to producing the resource of minor interference, therefore least interference resource is assigned to RACH and sends this fact and may cause larger interference conversely, thus conflict is more easily occurred.
This problem is not only related to LTE, and may be present in the general radio communication system that uses based on the access scheme (FTDMA) of frequency division and time-division resource structure.
Summary of the invention
An object of the present invention is to provide a kind of resource allocation control method and the equipment that can reduce presence of intercell interference.
Another object of the present invention be to provide a kind of can reduce the delay started when communicating resource allocation control method and equipment and radio communication equipment.
A kind of method for controlling the Resourse Distribute in multiple community, comprising the following steps: each place in multiple radio communication equipments that at least Liang Ge community is controlled, receiving from the radio communication equipment of another community the information of resource for controlling used this another community; And buffer resource (buffer resource) is set in the predetermined resource region of its oneself community, wherein each buffer resource and locating accordingly for the resource controlled of using in another community.
A kind of equipment for controlling Resourse Distribute for each in multiple community, comprise: minizone explorer, for coming and this another cell communication by sending and receive the information for the resource controlled used in its oneself community and at least one other community; And buffer resource setting parts, for arranging buffer resource in the predetermined resource region of its oneself community, what wherein use in another community of each buffer resource and this locates accordingly for the resource controlled.
A kind of radio communication equipment for controlling the community had in the radio communications system of multiple community, comprise: minizone explorer, for coming and this another cell communication by sending and receive the information for the resource controlled used in its oneself community and at least one other community; And buffer resource setting parts, for arranging buffer resource in the predetermined resource region of its oneself community, what wherein use in another community of each buffer resource and this locates accordingly for the resource controlled.
A kind of mobile communication system, has the multiple base stations controlling multiple community; And the multiple travelling carriages with each base station communication can be carried out according to predetermined resource structures, wherein each base station comprises: minizone explorer, for coming and this another cell communication by sending and receive the information for the resource controlled used in its oneself community and at least one other community; And buffer resource setting parts, for arranging buffer resource in the predetermined resource region of its oneself community, wherein each buffer resource and locating accordingly for the resource controlled of using in another community.
A kind of wireless communication system, comprise the first base station, the second base station and travelling carriage, described wireless communication system comprises: described first base station sends the information about the Resourse Distribute of the Random Access Channel RACH to described first base station to described second base station; The Resourse Distribute to uplink communication is determined in described second base station, makes the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And described travelling carriage comes and described second base station communication according to the Resourse Distribute of described uplink communication.
A kind of communication means of wireless communication system, described wireless communication system comprises the first base station, the second base station and travelling carriage, and described method comprises: send the information about the Resourse Distribute of the Random Access Channel RACH to described first base station from described first base station to described second base station; Determine the Resourse Distribute to uplink communication by described second base station, make the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And described travelling carriage comes and described second base station communication according to the Resourse Distribute of described uplink communication.
A base station in wireless communication system, described wireless communication system comprises travelling carriage, and described base station comprises: receiver, for receiving the information about the Resourse Distribute of the Random Access Channel RACH to another base station described from another base station; Resource allocation unit, for determining the Resourse Distribute to uplink communication, makes the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And communication unit, for coming and described mobile communications according to the Resourse Distribute of described uplink communication.
Travelling carriage in a kind of wireless communication system, described wireless communication system comprises the first base station and the second base station, described travelling carriage comprises: receiver, for receiving the information about the Resourse Distribute to uplink communication from described second base station, wherein, resource is defined as the Resourse Distribute of described uplink communication different from the Resourse Distribute of the Random Access Channel RACH to described first base station by described second base station; And communication unit, for coming and described second base station communication according to the Resourse Distribute of described uplink communication.
According to the present invention, in the resource of community, buffer resource is set in the predetermined resource region corresponding with the control resource used in neighbor cell, thus can presence of intercell interference be reduced.
Accompanying drawing explanation
Figure 1A is the diagram of the general structure of the mobile communication system schematically shown according to LTE.
Figure 1B is the resource structures figure of the radio resource schematically shown based on frequency partition and time partitioning technology.
Fig. 2 A and 2B is the schematic diagram of the example that presence of intercell interference is shown.
Fig. 3 A to 3C illustrates according to the present invention first to the flow chart of the resource allocation control method of the 3rd exemplary embodiment.
Fig. 4 illustrates the resource structures figure applied according to the RACH resource of the resource allocation control method of the first exemplary embodiment of the present invention and the allocation example of UL-SCH resource.
Fig. 5 illustrates the resource structures figure applied according to the RACH resource of the resource allocation control method of the second exemplary embodiment of the present invention and the allocation example of UL-SCH resource.
Fig. 6 is the diagram of the cell structure example illustrated when there is multiple neighbor cell.
Fig. 7 A is the resource structures figure schematically showing buffer resource candidate and lasting interference avoidance modes, is used for describing the resource allocation control method according to the third exemplary embodiment of the present invention.
Fig. 7 B is the resource structures figure that the buffer resource allocation example that application is arrived according to the resource allocation control method of the third exemplary embodiment of the present invention is shown.
Fig. 8 is the block diagram of the schematic construction that the radio communications system comprising radio communication equipment is shown, each described radio communication equipment comprises according to Resourse Distribute control appliance of the present invention.
Fig. 9 is the block diagram of the configuration that the radio communication equipment comprised according to Resourse Distribute control appliance of the present invention is shown.
Figure 10 is the block diagram of the configuration that the travelling carriage shown in Fig. 8 is shown.
Figure 11 illustrates the sequence chart for the operation of resource replacement in the radio communications system shown in Fig. 8 to Figure 10.
Figure 12 is the flow chart of the resource allocation control method illustrated according to the first exemplary embodiment of the present invention.
Figure 13 is the flow chart of the resource allocation control method illustrated according to the second exemplary embodiment of the present invention.
Figure 14 is the block diagram of the configuration of the radio communication equipment that the Resourse Distribute control appliance comprised according to the third exemplary embodiment of the present invention is shown.
Figure 15 is the flow chart of the resource allocation control method illustrated according to the third exemplary embodiment of the present invention.
Embodiment
1. exemplary embodiment general introduction
Fig. 3 A to Fig. 3 C illustrates according to the present invention first to the flow chart of the resource allocation control method of the 3rd exemplary embodiment.Here, in order to simplified characterization, assuming that two radio communication equipments control neighbor cell likely interfering with each other respectively, and each community has the resource structures divided based on the frequency partition shown in Figure 1B and time.The RACH resource of these communities is each self-align by each radio communication equipment.But, note the system that the present invention is not only applicable to based on LTE, be also applicable to use the radio communications system of the access scheme (FTDMA) based on frequency division and time-division resource structure.
The first exemplary embodiment of the present invention according to Fig. 3 A, radio communication equipment carrys out the RACH using state (step S20) of its oneself community shared by exchanging RACH resource information each other.In the resource of its oneself community, each radio communication equipment arranges the predetermined resource region corresponding with the RACH resource that another radio communication equipment uses, as buffer resource (step S21).Preferably, this predetermined resource region (buffer resource in the first exemplary embodiment) is the resource area in frequency direction and/or time orientation with allowance, it to take into account due to radio communication equipment between frequency, synchronous etc. departing from and the variation produced, hereinafter will be described this.Specifically, predetermined resource area is the resource corresponding with the RACH resource of another community of its oneself community, or the region of this resource adds those those resources in the preset range from this resource boundaries.Each radio communication equipment performs UL-SCH scheduling, avoids to UL-SCH distributing buffer resource (step S22) simultaneously.Buffer resource is not assigned to UL-SCH and sends this fact and can prevent from sending with the RACH in the community of another radio communication equipment disturbing.
The second exemplary embodiment of the present invention according to Fig. 3 B, the same with the first exemplary embodiment, the setting of buffer resource performs in step S20 and S21.Then, determine whether there is and apply to send compared with the UL-SCH of minor interference to another radio communication equipment, that is, whether there is such mobile station UE: the interference that its UL-SCH performed sends drops on (step S25) within admissible scope.Each radio communication equipment performs UL-SCH scheduling, to permit that buffer resource being distributed to this minor interference UL-SCH sends, but buffer resource is not distributed to other UL-SCH transmission (step S26).As mentioned above, buffer resource can be distributed to the UL-SCH meeting certain condition and send, thus effectively can use resource, reduce presence of intercell interference simultaneously.Therefore, delay when starting uplink communication can be reduced.
The 3rd exemplary embodiment of the present invention according to Fig. 3 C, as in the first exemplary embodiment, first radio communication equipment shares the RACH using state of its oneself community in step S20.Then, in the resource of its oneself community, the predetermined resource region corresponding with the RACH resource that another communication equipment uses is set to buffer resource candidate (step S30) by each communication equipment.Then, each communication equipment is by non-
continuouslyget rid of some buffer resources candidate to arrange buffer resource (step S31)." discontinuous eliminating " refer to buffer resource candidate be not by
adjoining land or lasting groundget rid of, but with arbitrary pattern by what sparsely get rid of, its concrete example is described further below.In other words, each radio communication equipment gets rid of some buffer resources candidate of its oneself community according to arbitrary pattern, so that interference can not by the RACH transmission that is applied to continuously in neighbor cell.Each radio communication equipment performs UL-SCH scheduling subsequently, to suppress the distribution (step S32) of buffer resource.The distribution at the suppression instruction step S22 place distributed forbid forbidding with the distribution of the sub conditione at step S26 place in any one.As mentioned above, when there is multiple neighbor cell, some buffer resources candidate, by discontinuous eliminating, becomes and can distribute, thus resource effectively, liberally can be used to make the resource of eliminating, and presence of intercell interference can be reduced simultaneously.Therefore, delay when starting uplink communication can be reduced.
Specifically, because the buffer resource candidate arranged for arbitrary neighborhood community corresponds to the RACH resource of this neighbor cell, therefore buffer resource candidate generally arranges with the constant cycle on time orientation.Correspondingly, by pumping these buffer resource candidates arranged according to stochastic model (or preassigned pattern) on time orientation, buffer resource can be created.In addition, if also there is the buffer resource candidate for neighbor cell in a frequency direction, then can create buffer resource by pumping buffer resource candidate according to stochastic model (or preassigned pattern) in a frequency direction.In addition, if there is multiple neighbor cell, can also by selecting its buffer resource candidate to create buffer resource by by the community of thinization (thinned) according to stochastic model (or preassigned pattern).Although can fairness be guaranteed by Stochastic choice community, consider the RACH interference level in each community, the ratio selecting neighbor cell can be changed.
2. the first exemplary embodiment
Fig. 4 is the resource structures figure of the allocation example that RACH resource and the UL-SCH resource be applied to according to the resource allocation control method of the first exemplary embodiment of the present invention is shown.Here, assuming that community A and B does not have Complete Synchronization in time domain.That is, relative to the time resource t1 of community A, the sequence of t2 ..., time resource t1, the t2 ... of community B are slightly fast on time orientation, and the time resource of Bu Yu community A is completely the same.Therefore, a time resource of one of these communities may cross over two time resources of another community.Such as, the time resource t7 of community A spans time resource t6 and t7 of community B.
If community A and B is controlled and Complete Synchronization by single radio communication equipment, the position of the time resource of Ze Liangge community should be temporarily consistent with each other.When community A and B is controlled by different radio electrical communication equipment respectively, provide certain synchronization means or known synchronization mechanism just enough.Such as, radio communication equipment is by directly or by travelling carriage carrying out its internal clocking synchronized with each other information swap time (sending frame number etc.) each other.Or, synchronously can set up according to the synchronous protocol of certain station between radio communication equipment, or high accuracy synchronously also can utilize global positioning system (GPS) to set up.But, usually, consider the variable that such as signal propagation delays and clock generator change and so on, preferably make two of one of community time resources in succession or, if necessary, three or more time resource in succession (calling time resource set using these time resources in succession below) is associated as buffer resource with a time resource of another community.If can be divided into child resource by time further for a time resource, then the time width of buffer resource set can be set with less granularity.
Assuming that this community A and B is adjacent one another are and be in such position relationship: the UL-SCH in one of community sends and the RACH in another community can be disturbed to send.In addition, assuming that in A and B of community, time resource t2, the t7 of frequency resource FB#3, t12 ... are periodically distributed to RACH and are sent, and in the B of community, time resource t4, the t9 of frequency resource FB#2, t14 ... are periodically distributed to RACH and send.Each radio communication equipment obtains the knowledge about the position distributing RACH resource in another community by exchange RACH resource information.Therefore, in one cell, corresponding with the position of the RACH resource of distributing in another community resource collection (being here two time resources in succession) can be set to buffer resource.
, suppose that the position of the resource of each community is represented by T/F coordinate here, such as (frequency resource, time resource), and when multiple resource is distributed in succession, resource is represented by with "+" number.With reference to figure 4, for the RACH resource (FB#3, t2) in the A of community, in the B of community, be provided with buffer resource set (FB#3, t1+t2).On the contrary, for the RACH resource (FB#2, t4) of community B, in the B of community, buffer resource set (FB#2, t4+t5) is provided with.Afterwards similarly, in one cell buffer resource set is set for each RACH resource of another community.
By the way, for each in A and B of community provides reference frequency oscillator, thus realize the frequency partition obtaining frequency resource FB#1, FB#2, FB#3 ....Consider the variation of these frequencies, a buffer resource is preferably also set, wherein also provides allowance in a frequency direction.Such as, for the RACH resource (FB#2 of community B, t4), buffer resource set (FB#2 ± α can also be set, t4+t5), this buffer resource set obtains by the corresponding buffer resource set (FB#2, t4+t5) arranged in the A of community is extended preset width α in a frequency direction.Preset width α can be set to the width being equal to or less than frequency resource.
Each control in the radio communication equipment of community A and B performs UL-SCH scheduling, sends the buffer resource arranged like this not to be distributed to UL-SCH.Send because other resources except buffer resource can be assigned to UL-SCH, therefore certainly can avoid the interference with the RACH resource of another community.
3. the second exemplary embodiment
Fig. 5 illustrates the resource structures figure applied according to the RACH resource of the resource allocation control method of the second exemplary embodiment of the present invention and the allocation example of UL-SCH resource.Here, in order to keep the consistency described, assuming that RACH resource and buffer resource are configured in the frequency-time position identical with the resource of the community A shown in Fig. 4.
In the second exemplary embodiment, buffer resource is not substantially assigned to UL-SCH yet and sends, as mentioned above.But, when the interference level of the UL-SCH transmission applied another community is in allowable range, or when can be considered in allowable range, permit that buffer resource being distributed to this UL-SCH sends exceptionally.
With reference to figure 5, the position corresponding to the RACH resource of the community B notified from neighbor cell B arranges buffer resource.If the mobile station UE that request packets of voice sends (VoIP) is present in the A of community, then each time resource place sends to packets of voice from a frequency agility to the UL-SCH Resourse Distribute of another frequency (frequency agility) by the radio communication equipment controlling community A.Such as, can send to packets of voice randomly in all frequency resources and distribute UL-SCH resource, maximum to make frequency diversity gain become.
When resource is assigned to packets of voice transmission, if time resource comprises buffer resource (being t4, t5, t9, t10 ...) here, so buffer resource is preferably sent to described packets of voice by priority allocation.This is because, require because packets of voice sends the transmitted power that the bandwidth sum of relative narrower is lower, even if therefore buffer resource is assigned to packets of voice transmission, also can not apply very large interference to another community.Therefore, the resource will distributed to high speed UL-SCH and send can be saved.In the example depicted in fig. 5, the different frequency bands (FB#2, t4) in buffer resource and (FB#2, t5) are assigned to and require that lower powered packets of voice sends.But, due to packets of voice buffer resource being distributed in succession multiple travelling carriage should be avoided to send, therefore preferably pre-determine the upper limit of the distributed child resource in a buffer resource.
4. the 3rd exemplary embodiment
Fig. 6 is the diagram of the cell structure example illustrated when there is multiple neighbor cell.Fig. 7 A is the resource structures figure schematically showing buffer resource candidate and interference avoidance modes in succession, is used for describing the resource allocation control method according to the third exemplary embodiment of the present invention.Fig. 7 B is the resource structures figure that the buffer resource allocation example be applied to according to the resource allocation control method of this exemplary embodiment is shown.Here, in order to keep the consistency described, assuming that RACH resource is positioned at the frequency-time position identical with the RACH resource of the community A shown in Fig. 4.
First, with reference to figure 6, multiple community is present near the A of community.Here, assuming that interference may occur between any one in community A and neighbor cell B, C, D and E.In this case, RACH resource information is shared in community A and neighbor cell, thus each that can be in cell a in the B to E of community arranges buffer resource, as shown in Figure 7 A.When the number of neighbor cell is larger as in this situation, most in the spendable resource of community A is buffered occupied by resource, thus causes the capacity of community A to reduce.In this example, due in each in the B to E of community, every five Resourse Distribute RACH resource, therefore corresponding with these RACH resource buffer resource sum reaches 40% of all available resources.According to foregoing second example embodiment, this buffer resource can be assigned to perform low speed data send etc. travelling carriage, but can not be assigned to perform cause the travelling carriage that the high-speed data of the interference of neighbor cell is sent.Due to available capacity reduction in each cell as mentioned above, thus the capacity therefore in whole network also reduces.
According to the 3rd exemplary embodiment, apply as shown in Figure 7 A for each in the B to E of community, the pattern (with " x " mark in Fig. 7 A) (avoiding the stepwise derivation continuing or disturb in succession to avoid pattern) of some buffer resources candidate of discontinuous eliminating, and avoid pattern according to this stepwise derivation, for buffer resource is determined in each community, such as shown in Figure 7 B.Each control in the radio communication equipment of community can automatically or by determining to use what pattern with other radio communication equipment exchange messages.
Stepwise derivation avoids the preferred exemplary of pattern to be get rid of the stochastic model of some buffer resources candidate with certain ratio.The probability that those resources got rid of from buffer resource candidate are assigned to high-speed data transmission is higher, thus causes interference to occur.But owing to getting rid of resource randomly, the part therefore only sent with RACH is disturbed, and effectively can avoid interference lasting or in succession.In addition, the use of stochastic model also brings such advantage: and the probability that local interference occurs community B to E becomes average between the B to E of community.
Note, even if for stochastic model, the ratio of the resource that get rid of, the distribution in cycle also can be set, and the distribution of the width of buffer area.Depend on the RACH disturbance state of neighbor cell, suitable stochastic model can also be selected.
Stepwise derivation avoids pattern can be predetermined pattern, instead of stochastic model.Next, pattern is avoided exemplarily to describe preassigned pattern by with the stepwise derivation shown in Fig. 7 A.
1) pattern I
As shown in the buffer resource for neighbor cell B, stay (or removal) based in the buffer resource candidate collection of RACH resource information every two.More specifically, buffer resource candidate collection (FB#4, t3+t4), (FB#4, t8+t9), (FB#4, t13+t14) ... are set at first.According to the pattern of every two eliminatings (or staying) wherein, finally the resource collection (FB#4, t3+t4) shown in Fig. 7 B, (FB#4, t13+t14) ... are set to buffer resource.According to the pattern in this example, the cycle of buffer area is ten resources, and width is two resources, and remaining area ratio is 1/2.
2) pattern II
As shown in the buffer resource for neighbor cell C, based on having one to be left in the buffer resource candidate collection of RACH resource information every three, (in other words, two set are removed, and then a set is left, so latter two set is removed, etc.).More specifically, buffer resource candidate collection (FB#3, t5+t6), (FB#3, t10+t11), (FB#3, t15+t16) ... are set at first.According to wherein every three stay Next pattern, finally the resource collection (FB#3, t5+t6) ... shown in Fig. 7 B is set to buffer resource.According to the pattern in this example, the cycle of buffer area is ten five (15) individual resources, and width is two resources, and remaining area ratio is 1/3.
3) pattern III
As shown in the buffer resource for neighbor cell D, based in the buffer resource candidate collection of RACH resource information, alternately wherein first resource be left (or removal) set and wherein Secondary resource be left the set of (or removal).More specifically, buffer resource candidate collection (FB#2, t4+t5), (FB#2, t9+t10), (FB#2, t14+t15) ... are set at first.According to the pattern making the position of the resource that will stay replace between the first resource and the Secondary resource of a set of a set, finally the resource (FB#2 shown in Fig. 7 B, t4), (FB#2, t10), (FB#2, t14) ... are set to buffer resource.According to the pattern in this example, the cycle of buffer area is four or six resources, and width is a resource, and remaining area ratio is 1/2.
4) pattern IV
As shown in the buffer resource for neighbor cell E, based in the buffer resource candidate collection of RACH resource information, every three set namely switch wherein first resource be left (or remove) set and wherein Secondary resource be left the set of (or removal), and the buffer resource candidate collection other do not related to all is removed.More specifically, buffer resource candidate collection (FB#1, t1+t2), (FB#1, t6+t7), (FB#1, t11+t12) ... are set at first.Between the first resource and the Secondary resource of a set of a set, namely switch the resource that will stay position the pattern removing every other resource is gathered according to every three, finally the resource (FB#1 shown in Fig. 7 B, t7), (FB#1, t17) ... are set to buffer resource.According to the pattern in this example, the cycle of buffer area is ten four (14) individual or ten six (16) individual resources, and width is a resource, and remaining area ratio is 1/4.
Above-mentioned pattern I to IV exemplarily can be used as trait model separately, because they have different cycles, width and remaining area ratio.Therefore, that can select so multiple trait models applies it to all neighbor cells in the lump, or applies different patterns to each community, in example as shown in figs. 7 a-b.In addition, can also select that these preassigned patterns I's to IV apply it to each community in the lump randomly.
In addition, stepwise derivation avoids pattern not to be only applicable in the time domain shown in Fig. 7 A and 7B, and is applicable in frequency domain and zonule.When using stochastic model, by the randomization in time domain, buffer resource for neighbor cell is set as mentioned above to avoid the interference in succession in time domain.Have in a time resource in the community of multiple buffer resource, by the randomized combination in the randomization in frequency domain or the randomization in frequency domain and time domain, buffer resource for neighbor cell is set to avoid the lasting interference in frequency domain.In addition, when there is multiple neighbor cell, arrange buffer resource for each neighbor cell to avoid stepwise derivation by the randomization in zonule, the randomization in described zonule is determined will select which community to realize by utilizing stochastic model.Can also by the randomization in frequency domain and/or the randomization in time domain and the randomization in zonule combined.
Such as, in GSM (global system for mobile communications) scheme, randomization can be performed in time domain and/or zonule (cell domain).In WCDMA or LTE, any one in the randomization in the randomization in zonule, the randomization in frequency domain and time domain can be combined.
Note, although utilize stepwise derivation to avoid pattern can not remove interference completely, by the communication between the radio communication equipment that controls neighbor cell, between neighbor cell, but identical RACH resource layout can be carried out in time domain and frequency domain, thus alleviates interference.This is because can prevent RACH and UL-SCH from disturbing in this case, and have lower sending probability because of due to RACH, therefore in community, conflict or presence of intercell interference are difficult to occur relatively.
(example)
5. system configuration
Fig. 8 is the block diagram that the schematic construction comprising the radio communications system realizing radio communication equipment of the present invention is shown.Here, assuming that the multiple radio communication equipments comprising radio communication equipment 10 and 11 are communicated with one another by network 12.In addition, assuming that radio communication equipment 10 and 11 controls community A and B respectively, and each in A and B of community has the resource structures shown in Fig. 4.Each radio communication equipment performs UL-SCH scheduling by adopting according to any one in the resource allocation control method of the above-mentioned first to the 3rd exemplary embodiment.
The multiple radio communication equipments connected by network 12 can be included in single base station eNB, or each radio communication equipment can be single base station eNB.Under any circumstance, when multiple mobile station UE performs RACH transmission in A or B of community or UL-SCH sends, reduced according to any one in exemplary embodiment with the interference of neighbor cell.Configuration and the operation of radio communication equipment and travelling carriage will be described below.
5.1) radio communication equipment
Fig. 9 is the block diagram of the configuration that the radio communication equipment comprised according to Resourse Distribute control appliance of the present invention is shown.Radio communication equipment has radio transceiver 101, and this radio transceiver 101 is as the physical layer equipment by radio and multiple mobile communications.Radio transceiver 101 broadcasts the RACH resource information of being specified by RACH resource control assembly 102 by broadcast channel (BCH), thus each travelling carriage can carry out RACH transmission.
RACH relevant information measurement component 103 detects at least one in the number of times, access delay, received power etc. obtaining RACH access for multiple travelling carriage, thus the RACH interference level measured in its oneself community or RACH access burden.
Each from the radio communication equipment controlling neighbor cell of minizone resource management block 104 receives RACH resource information, and the RACH resource information of its oneself community specified by RACH resource control assembly 102 is sent to each in the radio communication equipment controlling neighbor cell.The RACH resource information about each neighbor cell received is output to buffer resource setting parts 105.Buffer resource setting parts 105 receives RACH resource information from RACH relevant information measurement component 103 as required as input, as described in any one in foregoing example embodiment, determine the buffer resource for each neighbor cell, then determined buffer resource is outputted to UL-SCH scheduler 106.
According to the first exemplary embodiment, UL-SCH scheduler 106 is after receiving the dispatch request sent from the scheduling UL-SCH of the travelling carriage being arranged in its oneself community, distribute the available resources except the RACH resource of its oneself community and buffer resource, and utilize GRANT (Scheduling Grant) to respond to travelling carriage.But, according to the second exemplary embodiment, if the service that travelling carriage is asked is the type of the low transmitted power of requirement as VoIP, or travelling carriage has larger path loss for each neighbor cell, then buffer resource can be distributed to UL-SCH transmission by scheduler 106.
When the UL-SCH resource of distributing like this is notified to travelling carriage, described travelling carriage utilizes UL-SCH resource to start data and sends or the transmission of L2/L3 control packet.The L2 processing unit 107 of radio communication equipment and L3 processing unit 108 perform process according to the agreement on its respective layer to the uplink data received.
Note, to the similar function of RACH resource control assembly 102, RACH relevant information measurement component 103, minizone resource management block 104, buffer resource setting parts 105 and UL-SCH scheduler 106 also by performing corresponding program to realize on programme controlled processor or computer.
5.2) travelling carriage
Figure 10 is the block diagram of the configuration that the travelling carriage shown in Fig. 8 is shown.Mobile station UE has radio transceiver 201, and this radio transceiver 201 is as the physical layer equipment communicated with base station eNB or radio communication equipment by radio.Radio transceiver 201 receives the RACH resource information come from radio communication equipment broadcast, and the information received is outputted to RACH control assembly 202.According to the RACH resource information received, RACH control assembly 202 performs RACH transmission by radio transceiver 201 when losing synchronous or when sending data and occurring.RACH control assembly 202 sets up uplink synchronisation from radio communication equipment to the response that this RACH sends by receiving.
UL-SCH control assembly 203 generates dispatch request when data occur and sends dispatch request by radio transceiver 201.After receiving the Scheduling Grant as the response to dispatch request from radio communication equipment, UL-SCH control assembly 203 exports to L2 processing unit 204 and sends form, L2 processing unit 204 utilizes the UL-SCH resource of distribution subsequently, is sent the transmission data inputted from L3 processing unit 205 by radio transceiver 201.
In addition, mobile station UE also can be equipped with path loss measurement component 206.Path loss measurement component 206 is by measuring the path loss estimating for neighbor cell from the quality of reception of the downlink pilot signal of neighbor cell.Under the control of control assembly 207, be reported to radio communication equipment about this information for the path loss of neighbor cell, radio communication equipment determines whether the distribution of permitting buffer resource according to the second above-mentioned exemplary embodiment.Incidentally, control assembly 207 controls the integrated operation comprising the mobile station UE of RACH control assembly 202 and UL-SCH control assembly 203.
6. operate
Figure 11 illustrates the sequence chart for the operation of resource replacement in the radio communications system shown in Fig. 8 to Figure 10.First, when the RACH resource control assembly 102 of radio communication equipment 10 controlling community A has reconfigured RACH resource (step S40), the RACH resource message notice of recently reshuffling is given the radio communication equipment 11 (step S41) controlling neighbor cell B by minizone resource management block 104, and by radio transceiver 101 by this message notice to the mobile station UE 1 (step S42) being arranged in community A.
Control the minizone resource management block 104 of the radio communication equipment 11 of neighbor cell B after knowing that the RACH resource of neighbor cell A has been changed, new RACH resource information about neighbor cell A is outputted to buffer resource setting parts 105, and buffer resource setting parts 105 determines buffer resource like that with in any one in after image foregoing example embodiment.The RACH resource of UL-SCH scheduler 106 based on its oneself community B and the buffer resource for neighbor cell A reconfigure (scheduling) UL-SCH resource (step S43), and new UL-SCH resource information is informed to be arranged in community B and perform UL-SCH send mobile station UE 2 (step S44).
The mobile station UE 1 receiving the RACH resource information of recently reshuffling utilizes the RACH resource of recently reshuffling to perform RACH access (step S45).The mobile station UE 2 receiving the UL-SCH resource information of recently reshuffling utilizes the UL-SCH resource of recently reshuffling to send (step S46) to perform UL-SCH.As previously mentioned, the UL-SCH of mobile station UE 2 sends is utilize the frequency band different from the frequency band of the RACH resource that mobile station UE 1 uses or timing or timing to perform.Or the UL-SCH of mobile station UE 2 sends the interference that sends with the RACH of mobile station UE 1 can on tolerable injury level.Correspondingly, there is the large probability postponed when mobile station UE 1 sets up uplink synchronisation to reduce.
Note, although there is illustrated RACH resource information when being informed radio communication equipment 11 from radio communication equipment 10, RACH resource information is also informed radio communication equipment 10 by from radio communication equipment 11.In this case, basic operation is also described above, therefore omits the description to it.Below, exemplarily suppose that radio communication equipment is base station eNB, operates according to an exemplary embodiment of the present invention by description.
7. the operation of the first exemplary embodiment
Figure 12 is the flow chart of the resource allocation control method illustrated according to the first exemplary embodiment of the present invention.Each base station eNB controlling neighbor cell respectively reports RACH schedule information and the current RACH resource taken by RACH resource control assembly 102 to another base station eNB, thus shares the RACH resource information (step S301) about each community each other.Then, the buffer resource setting parts 105 of each base station eNB determines whether the level of the RACH interference obtained from RACH relevant information measurement component 103 is greater than predetermined threshold value (step S302).When the level of RACH interference is larger (step S302: yes), buffer resource setting parts 105 arranges the buffer resource (step S303) for described neighbor cell based on the RACH resource information about its neighbor cell.UL-SCH scheduler 106 operation dispatching sends buffer resource not to be distributed to UL-SCH, that is other Resourse Distribute except the RACH resource except buffer resource and its oneself community is sent (step S304) to UL-SCH.If RACH interference level less (step S302: no), then UL-SCH scheduler 106 operation dispatching is to send other Resourse Distribute except the RACH resource except its oneself community to UL-SCH, and does not arrange buffer resource (step S304).
8. the operation of the second exemplary embodiment
According to the second exemplary embodiment, base station eNB operates as follows.
Base station eNB is to the current RACH schedule information used of neighbor cell report
The resource corresponding with the Adjacent resource of RACH resource and neighbor cell is set to up link buffer resource by base station eNB.These up link buffer resources can by VoIP mobile station UE or be positioned at the mobile station UE thus near cell centre with the higher path loss to neighbor cell use.
More specifically, RACH and the UL-SCH Resourse Distribute of minizone controls following execution.
Figure 13 is the flow chart of the resource allocation control method illustrated according to the second exemplary embodiment of the present invention.The each base station eNB controlling neighbor cell respectively reports RACH schedule information and the current RACH resource taken by RACH resource control assembly 102 to another base station eNB, thus shares the RACH resource information (step S401) about each community each other.Then, the buffer resource setting parts 105 of each base station eNB determines whether the level of the RACH interference obtained from RACH relevant information measurement component 103 is greater than predetermined threshold value (step S402).When the level of RACH interference is larger (step S402: yes), buffer resource setting parts 105 arranges the buffer resource for described neighbor cell based on the RACH resource information about its neighbor cell and buffer resource is outputted to UL-SCH scheduler 106 (step S403).
Then, whether UL-SCH scheduler 106 is the mobile station UE (supposition here performs the VoIP mobile station UE that VoIP grouping sends) (step S404) of the low transmitted power of requirement based on the mobile station UE that dispatch request determines to have issued dispatch request.When described mobile station UE is VoIP mobile station UE (step S404: yes), the UL-SCH Resourse Distribute in each time resource place frequency hopping sends to VoIP grouping by UL-SCH scheduler 106.But at the time resource place being provided with buffer resource, the priority allocation (step S405) of this buffer resource permitted by UL-SCH scheduler 106 in the predetermined distribution upper limit.Preferably, in all frequency resources, send Resources allocation to VoIP grouping randomly, maximum to make frequency diversity gain become.When described mobile station UE neither VoIP mobile station UE is not again be positioned at thus to have higher when going to the mobile station UE of the path loss of neighbor cell (step S404: no) near cell centre, step S405 is skipped.
Then, UL-SCH scheduler 106, based on the information about the path loss to neighbor cell come from mobile station UE report, determines whether described mobile station UE has the higher path loss to neighbor cell (step S406).Note, not only can determine that whether the path loss of neighbor cell is higher, can also determine that whether the path loss of current area is higher with the ratio of the path loss to neighbor cell.When mobile station UE has the higher path loss to neighbor cell (step S406: yes), transmission buffer resource being distributed to this mobile station UE permitted by UL-SCH scheduler 106, because less with the interference of neighbor cell (step S407).When the path loss arriving neighbor cell is less (step S406: no), step S407 is skipped.
By this way, UL-SCH scheduler 106 operation dispatching is not to distribute to any other transmission (step S408) except the UL-SCH transmission being given distribution permission in step S405 or step S407 by buffer resource.By the way, if RACH interference level less (step S402: no), then UL-SCH scheduler 106 performs normal UL-SCH and dispatches, and does not perform step S403 to S407.
Next the example that above-mentioned Resourse Distribute controls will be shown.First, the base station eNB controlling community with control the base station eNB of neighbor cell and share the position of RACH resource at time domain and frequency domain.The buffer resource corresponding with the RACH resource of neighbor cell be allocated as follows execution.
Buffer resource is distributed to the mobile station UE (but mobile station UE needs have the path loss report to neighbor cell to the function of current service cell) being such as positioned at and also thus having the higher path loss to neighbor cell near cell centre by base station eNB.This corresponds to the "No" in step S404, and being then the "Yes" in step S406, is then step S407, is then the handling process of step S408,
Or buffer resource is distributed to and is required that the UL-SCH of low transmitted power sends (such as performing the travelling carriage of VoIP etc.) by base station eNB.This corresponds to the "Yes" in step S404, and being then the "No" in step S406, is then the handling process of step S408.
Or buffer resource stays and does not use by base station eNB.This corresponds to the "No" in step S404, and being then the "No" in step S406, is then the handling process of step S408.
Such as, or when not receiving overload indicator, when indicating the power control signal of large interference, buffer resource is distributed to the mobile station UE performing high-speed data and send by base station eNB.This corresponds to the "No" in step S402, is then the handling process of step S408.
9. the operation of the 3rd exemplary embodiment
According to the third embodiment of the invention, for the buffer resource of another community be based on about this another community RACH resource information and determine with the pattern of the stepwise derivation of this another community based on avoiding.
Figure 14 is the block diagram of the configuration of the radio communication equipment that the Resourse Distribute control appliance comprised according to the third exemplary embodiment of the present invention is shown.Note, have with configure shown in Fig. 9 in those blocks of identical function represented by with identical label in Fig. 9.Configuration shown in Figure 14 there are provided buffer resource candidate setting parts 105 and thinization (thinning) control assembly 109 with the difference configured shown in Fig. 9.But the buffer resource candidate setting parts 105 shown in Figure 14 has identical function with the buffer resource setting parts 105 shown in Fig. 9, is therefore denoted by the same reference numerals.That is, buffer resource candidate is equal to the buffer resource corresponding with the RACH resource of neighbor cell.
And if thinization control assembly 109 avoids pattern to need also to utilize RACH interfere information by get rid of some buffer resources candidate stepwise derivation with utilizing non-contiguous, carry out some in the buffer resource candidate collection set by discontinuous eliminating buffer resource candidate setting parts 105.Create buffer resource by selecting buffer resource candidate like this, and buffer resource is outputted to UL-SCH scheduler 106.Note, stepwise derivation avoids pattern to be arranged on each radio communication equipment as arranging file in advance, or obtains by arbitrary network and store.
Figure 15 is the flow chart of the resource allocation control method illustrated according to the third exemplary embodiment of the present invention.The base station eNB controlling neighbor cell respectively reports RACH schedule information and the current RACH resource taken by RACH resource control assembly 102 to another base station eNB, shares the RACH resource information (step S501) about each community each other.Then, the buffer resource candidate setting parts 105 of each base station eNB determines whether the level of the RACH interference obtained from RACH relevant information measurement component 103 is greater than predetermined threshold value (step S502).When the level of RACH interference is larger (step S502: yes), buffer resource candidate setting parts 105 arranges buffer resource candidate based on the RACH resource information about its neighbor cell and buffer resource candidate is outputted to thinization control assembly 109 (step S503).
Thinization control assembly 109 avoids pattern in time domain, frequency domain and/or zonule, get rid of some buffer resources candidate according to stepwise derivation, thus determines the buffer resource (step S504) for neighbor cell.The buffer resource of such setting is output to UL-SCH scheduler 106.The each base station eNB s controlling respective cell can automatically or by determining to use which kind of pattern with another station exchange information.As previously mentioned, stepwise derivation avoids the preferred exemplary of pattern to be stochastic model.
UL-SCH scheduler 106 operation dispatching sends buffer resource not to be distributed to UL-SCH, that is other Resourse Distribute except the RACH resource except buffer resource and its oneself community is sent (step S505) to UL-SCH.If RACH interference level less (step S502: no), then UL-SCH scheduler 106 operation dispatching is to send other Resourse Distribute except the RACH resource except its oneself community to UL-SCH, and does not arrange buffer resource (step S505).
The example that stochastic model is used as stepwise derivation and avoids pattern to control for above-mentioned Resourse Distribute will be shown below.First, the base station eNB controlling community shares the position of RACH resource in time domain and frequency domain with the base station eNB controlling neighbor cell.Perform the distribution of the buffer resource corresponding with the RACH resource of neighbor cell, so that:
A) interference in succession with another community is avoided according to the stochastic model in time domain;
B) the lasting interference with another community is avoided according to the stochastic model in frequency domain;
C) stepwise derivation with another community is avoided according to the stochastic model in zonule; Or
D) stepwise derivation with another community is avoided according to the stochastic model in the combination in any of time domain, frequency domain and zonule.
The present invention may be used on the radio communications system that presence of intercell interference may occur, and especially may be used on the mobile communication system of the access scheme (FTDMA) used based on frequency division and time-division resource structure.
The present invention can realize by other concrete forms, and does not depart from its spirit or essential characteristics.Therefore above-mentioned exemplary embodiment all should be considered to illustrative and not restrictive going up in all senses, scope of the present invention is indicated by claims instead of above description, and therefore wherein intention comprises all changes within the implication of the equivalent dropping on claim and scope.
The application is based on the Japanese patent application No.2007-120377 submitted on April 28th, 2007 and require its priority, the disclosure of this application is all incorporated to by reference here.
Claims (4)
1. a wireless communication system, comprise the first base station, the second base station and travelling carriage, described wireless communication system comprises:
Described first base station sends the information about the Resourse Distribute of the Random Access Channel RACH to described first base station to described second base station;
The Resourse Distribute to uplink communication is determined in described second base station, makes the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And
Described travelling carriage comes and described second base station communication according to the Resourse Distribute of described uplink communication.
2. a communication means for wireless communication system, described wireless communication system comprises the first base station, the second base station and travelling carriage, and described method comprises:
The information about the Resourse Distribute of the Random Access Channel RACH to described first base station is sent from described first base station to described second base station;
Determine the Resourse Distribute to uplink communication by described second base station, make the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And
Described travelling carriage comes and described second base station communication according to the Resourse Distribute of described uplink communication.
3. the base station in wireless communication system, described wireless communication system comprises travelling carriage, and described base station comprises:
Minizone resource management block, for receiving the information about the Resourse Distribute of the Random Access Channel RACH to another base station described from another base station;
Uplink shared channel scheduler, for determining the Resourse Distribute to uplink communication, makes the Resourse Distribute of up link different to the Resourse Distribute of described RACH; And
Radio transceiver, for coming and described mobile communications according to the Resourse Distribute of described uplink communication.
4. the travelling carriage in wireless communication system, described wireless communication system comprises the first base station and the second base station, and described travelling carriage comprises:
Uplink shared channel control assembly, for receiving the information about the Resourse Distribute to uplink communication from described second base station, wherein, resource is defined as the Resourse Distribute of described uplink communication different from the Resourse Distribute of the Random Access Channel RACH to described first base station by described second base station; And
Radio transceiver, for coming and described second base station communication according to the Resourse Distribute of described uplink communication.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007-120377 | 2007-04-28 | ||
| JP2007120377A JP5152472B2 (en) | 2007-04-28 | 2007-04-28 | Resource allocation control method and apparatus in radio communication system |
| CN2008100950827A CN101296514B (en) | 2007-04-28 | 2008-04-28 | Method and device for resource allocation control in radio communications system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100950827A Division CN101296514B (en) | 2007-04-28 | 2008-04-28 | Method and device for resource allocation control in radio communications system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102685901A CN102685901A (en) | 2012-09-19 |
| CN102685901B true CN102685901B (en) | 2015-08-05 |
Family
ID=39745436
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100950827A Active CN101296514B (en) | 2007-04-28 | 2008-04-28 | Method and device for resource allocation control in radio communications system |
| CN201210033139.7A Active CN102685901B (en) | 2007-04-28 | 2008-04-28 | For the method and apparatus that the Resourse Distribute in radio communications system controls |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100950827A Active CN101296514B (en) | 2007-04-28 | 2008-04-28 | Method and device for resource allocation control in radio communications system |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US8688134B2 (en) |
| EP (1) | EP1991017A1 (en) |
| JP (1) | JP5152472B2 (en) |
| CN (2) | CN101296514B (en) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8493919B2 (en) * | 2007-09-21 | 2013-07-23 | Qualcomm Incorporated | Interference mitigation in a wireless communication system |
| WO2010067404A1 (en) * | 2008-12-12 | 2010-06-17 | 株式会社 日立製作所 | Base station for radio communication system |
| CN101784122B (en) * | 2009-01-16 | 2014-03-12 | 中兴通讯股份有限公司 | Method for processing physical random access channel configuration information |
| JP5097142B2 (en) * | 2009-02-04 | 2012-12-12 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method and radio base station |
| US8315629B2 (en) * | 2009-02-24 | 2012-11-20 | Telefonaktiebolaget L M Ericsson | Asymmetric uplink/downlink connections in a mobile communication system |
| JP5285497B2 (en) * | 2009-03-12 | 2013-09-11 | 株式会社エヌ・ティ・ティ・ドコモ | Mobile communication method and radio base station |
| JP2010213243A (en) | 2009-03-12 | 2010-09-24 | Ntt Docomo Inc | Controller and control method used for radio station for radio communication system |
| US8036674B2 (en) * | 2009-03-20 | 2011-10-11 | Mitsubishi Electric Research Laboratories, Inc. | Inter-cell interference prediction for frequency resource allocation |
| JP5296587B2 (en) | 2009-03-27 | 2013-09-25 | 株式会社エヌ・ティ・ティ・ドコモ | Wireless communication system and wireless communication method |
| CN101860912B (en) * | 2009-04-09 | 2013-01-16 | 电信科学技术研究院 | Resource allocation method, device and system |
| WO2010118582A1 (en) * | 2009-04-17 | 2010-10-21 | 华为技术有限公司 | Downlink inter-cell interference coordination method and base station |
| US9106378B2 (en) | 2009-06-10 | 2015-08-11 | Qualcomm Incorporated | Systems, apparatus and methods for communicating downlink information |
| US8340676B2 (en) * | 2009-06-25 | 2012-12-25 | Motorola Mobility Llc | Control and data signaling in heterogeneous wireless communication networks |
| US9392621B2 (en) * | 2009-06-26 | 2016-07-12 | Qualcomm Incorporated | Initiating a random access procedure for determining communication parameters |
| US8498273B2 (en) | 2009-08-06 | 2013-07-30 | Telefonaktiebolaget L M Ericsson (Publ) | Management of uplink resources in multi-carrier CDMA system |
| US9144037B2 (en) | 2009-08-11 | 2015-09-22 | Qualcomm Incorporated | Interference mitigation by puncturing transmission of interfering cells |
| US8724563B2 (en) * | 2009-08-24 | 2014-05-13 | Qualcomm Incorporated | Method and apparatus that facilitates detecting system information blocks in a heterogeneous network |
| US9277566B2 (en) | 2009-09-14 | 2016-03-01 | Qualcomm Incorporated | Cross-subframe control channel design |
| US8942192B2 (en) * | 2009-09-15 | 2015-01-27 | Qualcomm Incorporated | Methods and apparatus for subframe interlacing in heterogeneous networks |
| US8619687B2 (en) * | 2010-02-12 | 2013-12-31 | Sharp Laboratories Of America, Inc. | Coordinating uplink resource allocation |
| US9125072B2 (en) | 2010-04-13 | 2015-09-01 | Qualcomm Incorporated | Heterogeneous network (HetNet) user equipment (UE) radio resource management (RRM) measurements |
| US9392608B2 (en) | 2010-04-13 | 2016-07-12 | Qualcomm Incorporated | Resource partitioning information for enhanced interference coordination |
| US9271167B2 (en) | 2010-04-13 | 2016-02-23 | Qualcomm Incorporated | Determination of radio link failure with enhanced interference coordination and cancellation |
| US9226288B2 (en) | 2010-04-13 | 2015-12-29 | Qualcomm Incorporated | Method and apparatus for supporting communications in a heterogeneous network |
| CN102238624A (en) * | 2010-04-30 | 2011-11-09 | 北京三星通信技术研究有限公司 | Method for obtaining uplink data receiving condition |
| GB2480691B (en) * | 2010-05-28 | 2012-10-03 | Toshiba Res Europ Ltd | Radio resource management in femtocells |
| GB2480690A (en) * | 2010-05-28 | 2011-11-30 | Toshiba Res Europ Ltd | Radio resource management in femto cells |
| JP5696382B2 (en) * | 2010-07-06 | 2015-04-08 | 日本電気株式会社 | Base station apparatus, radio resource allocation method, and program |
| US8886190B2 (en) | 2010-10-08 | 2014-11-11 | Qualcomm Incorporated | Method and apparatus for measuring cells in the presence of interference |
| US8638131B2 (en) | 2011-02-23 | 2014-01-28 | Qualcomm Incorporated | Dynamic feedback-controlled output driver with minimum slew rate variation from process, temperature and supply |
| CN102685796A (en) * | 2011-03-08 | 2012-09-19 | 中国移动通信集团公司 | Method and system for transmitting and receiving control information, base station and terminal |
| US8885525B2 (en) * | 2011-08-24 | 2014-11-11 | Industrial Technology Research Institute | Method and apparatus for soft buffer partitioning in time-division duplexing system |
| CN102413475B (en) * | 2012-01-04 | 2014-04-16 | 西安电子科技大学 | Construction method and system of resource flow in cognitive radio network |
| JP2013187835A (en) * | 2012-03-09 | 2013-09-19 | Sumitomo Electric Ind Ltd | Random access control device, radio base station device, management device, and random access control program |
| JP6053305B2 (en) * | 2012-03-30 | 2016-12-27 | 株式会社Ｎｔｔドコモ | Wireless base station, wireless communication system, and wireless communication method |
| CN109889459B (en) * | 2012-05-28 | 2022-04-26 | 索尼公司 | Cognitive radio system and resource allocation device and method thereof |
| CN104955156A (en) * | 2014-03-26 | 2015-09-30 | 华为技术有限公司 | Data sending method, apparatus, base station and user's device |
| US10425937B2 (en) * | 2014-06-22 | 2019-09-24 | Lg Electronics Inc. | Method and apparatus for transmitting and receiving signal by full-duplex base station in wireless communication system |
| CN105532062B (en) * | 2014-07-30 | 2019-12-17 | 华为技术有限公司 | spectrum resource allocation method, main base station and auxiliary base station |
| EP3200529B1 (en) * | 2014-09-25 | 2021-01-20 | Ntt Docomo, Inc. | User terminal and corresponding wireless communication method |
| CN107006016B (en) * | 2015-09-25 | 2020-01-10 | 华为技术有限公司 | Service processing method and device |
| CN105429964B (en) * | 2015-11-05 | 2019-03-22 | 河北远东通信系统工程有限公司 | A kind of media server resources control distribution method |
| US10548160B2 (en) * | 2016-10-31 | 2020-01-28 | Qualcomm Incorporated | Interference mitigation on grant-based and grant-less traffic multiplexing in wireless communication |
| CN110832937B (en) * | 2017-07-06 | 2023-05-30 | 索尼公司 | Spatial reuse of scheduled data transmission periods |
| CN107666332B (en) * | 2017-09-27 | 2019-12-10 | 普联技术有限公司 | Anti-interference method and device between wireless modules and terminal |
| EP3703280A4 (en) * | 2017-10-27 | 2021-01-13 | Nec Corporation | Resource allocation device and resource allocation method |
| US11324014B2 (en) * | 2017-12-22 | 2022-05-03 | Qualcomm Incorporated | Exposure detection in millimeter wave systems |
| WO2020181408A1 (en) * | 2019-03-08 | 2020-09-17 | Qualcomm Incorporated | Interference management for two-step random access |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257360A (en) * | 1998-12-16 | 2000-06-21 | 西门子公司 | Macro diversity received data transmission method |
| US6693915B1 (en) * | 1999-04-13 | 2004-02-17 | Nokia Corporation | Efficient bandwidth allocation for high speed wireless data transmission system |
| US6771968B1 (en) * | 2000-10-11 | 2004-08-03 | Bellsouth Intellectual Property Corporation | Interference protection for wireless office systems |
| CN1951139A (en) * | 2004-05-04 | 2007-04-18 | Ip无线有限公司 | Signaling MIMO allocations |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05206933A (en) | 1992-01-27 | 1993-08-13 | Fujitsu Ltd | Radio channel allocation system |
| KR100319309B1 (en) * | 1995-01-25 | 2002-04-24 | 다치카와 게이지 | Mobile communication system |
| US6697415B1 (en) * | 1996-06-03 | 2004-02-24 | Broadcom Corporation | Spread spectrum transceiver module utilizing multiple mode transmission |
| DE19845040A1 (en) | 1998-09-30 | 2000-04-06 | Siemens Ag | Method for the non-reactive operation of at least two base stations operating according to the DCMA (Code Division Multiple Access) principle in a universal mobile communication system, preferably in-house base stations, with partially overlapping radio fields with one another and / or with a telecommunications radio cell network |
| US6850764B1 (en) * | 1998-12-17 | 2005-02-01 | Cisco Technology, Inc. | Method and system for allocating bandwidth in a wireless communications network |
| US6163700A (en) * | 1998-12-30 | 2000-12-19 | Ericsson Inc. | System and method for adaptive reservation of radio resources for cells belonging to localized service area |
| JP4316749B2 (en) * | 1999-11-16 | 2009-08-19 | 株式会社日立コミュニケーションテクノロジー | Wireless synchronization method |
| JP3613457B2 (en) | 2000-01-18 | 2005-01-26 | 株式会社エヌ・ティ・ティ・ドコモ | CDMA mobile communication system, random access control method thereof, and base station apparatus |
| US7113516B1 (en) * | 2000-11-28 | 2006-09-26 | Texas Instruments Incorporated | Transmit buffer with dynamic size queues |
| JP2002171572A (en) * | 2000-12-01 | 2002-06-14 | Hitachi Ltd | Wireless base station, packet repeater, and wireless communication system |
| JP3608532B2 (en) * | 2001-06-28 | 2005-01-12 | 日本電気株式会社 | Adjacent frequency interference avoidance method for cellular system, cellular system, mobile station, and base station controller |
| EP1526685A1 (en) * | 2003-10-24 | 2005-04-27 | International University Bremen Gmbh | Inter-Cell Interference mitigation technique using reservation indicators |
| CN1305340C (en) * | 2003-12-05 | 2007-03-14 | 清华大学 | Method and structure for enhancing downstream frequency multiplexing efficiency of cellular cell |
| CN1783861B (en) * | 2004-12-01 | 2011-04-13 | 华为技术有限公司 | Method for realizing frequency soft multiplexing in radio communication system |
| US7702351B2 (en) * | 2005-02-17 | 2010-04-20 | Qualcomm Incorporated | System and method for global power control |
| CN1885752A (en) * | 2005-06-20 | 2006-12-27 | 华为技术有限公司 | Multi-cell frequency multiplex realizing method |
| EP1932382B1 (en) * | 2005-10-03 | 2012-08-15 | Telefonaktiebolaget LM Ericsson | Throughput optimized carrier allocation |
| AU2006303388B2 (en) * | 2005-10-21 | 2010-09-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for performing a random access procedure over a radio interface |
| DE102006000937B4 (en) * | 2006-01-05 | 2011-05-12 | Infineon Technologies Ag | A method for transmitting data from a first communication device to a second communication device, communication device and computer program element |
| EP2271161B1 (en) * | 2006-03-20 | 2017-11-01 | Mitsubishi Electric R&D Centre Europe B.V. | Determining a location area of a wireless cellular telecommunication network |
| US8606281B2 (en) * | 2007-04-26 | 2013-12-10 | Nokia Corporation | System and method for requesting uplink resources in a communication system |
| JP5167760B2 (en) * | 2007-10-24 | 2013-03-21 | 富士通株式会社 | Uplink communication method, radio communication system, radio terminal, and radio base station in radio communication system |
-
2007
- 2007-04-28 JP JP2007120377A patent/JP5152472B2/en active Active
-
2008
- 2008-04-25 US US12/110,033 patent/US8688134B2/en active Active
- 2008-04-28 CN CN2008100950827A patent/CN101296514B/en active Active
- 2008-04-28 EP EP08008116A patent/EP1991017A1/en not_active Withdrawn
- 2008-04-28 CN CN201210033139.7A patent/CN102685901B/en active Active
-
2012
- 2012-01-17 US US13/351,535 patent/US20120113929A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257360A (en) * | 1998-12-16 | 2000-06-21 | 西门子公司 | Macro diversity received data transmission method |
| US6693915B1 (en) * | 1999-04-13 | 2004-02-17 | Nokia Corporation | Efficient bandwidth allocation for high speed wireless data transmission system |
| US6771968B1 (en) * | 2000-10-11 | 2004-08-03 | Bellsouth Intellectual Property Corporation | Interference protection for wireless office systems |
| CN1951139A (en) * | 2004-05-04 | 2007-04-18 | Ip无线有限公司 | Signaling MIMO allocations |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080268859A1 (en) | 2008-10-30 |
| US20120113929A1 (en) | 2012-05-10 |
| US8688134B2 (en) | 2014-04-01 |
| JP2008278273A (en) | 2008-11-13 |
| EP1991017A1 (en) | 2008-11-12 |
| CN101296514A (en) | 2008-10-29 |
| CN102685901A (en) | 2012-09-19 |
| JP5152472B2 (en) | 2013-02-27 |
| CN101296514B (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102685901B (en) | For the method and apparatus that the Resourse Distribute in radio communications system controls | |
| JP7188504B2 (en) | UEs, RAN nodes and methods performed by them | |
| KR100699714B1 (en) | Time sharing of communications resources in cellular communications systems | |
| EP2560427A1 (en) | Communication systems | |
| CN110167131B (en) | Relay transmission method and device | |
| US11496257B2 (en) | Method for coordination of resources between a next generation radio access network node and at least one further RAN node | |
| KR20130035964A (en) | Method for device-to-device communication based on cellular telecommunication system | |
| US20140321355A1 (en) | Relay using device-to-device communication in the infrastructure-based communication system | |
| CN108024385A (en) | Method, the network equipment and the user equipment of random access | |
| JP2000308123A (en) | Mobile communication system and synchronizing method in the same | |
| US9743284B2 (en) | Spectrum allocation method and device | |
| CN110036684A (en) | Random access for NR | |
| CN115039443B (en) | Communication method and communication device | |
| KR20170020234A (en) | Operation method of communication node supporting device to device communication in communication network | |
| EP3837897A1 (en) | Communications device and method | |
| EP3461208B1 (en) | Method and apparatus for resource allocation | |
| CN112544119B (en) | Method and apparatus for V2V communication | |
| JP5448012B2 (en) | Wireless communication system, communication method therefor, base station and mobile station | |
| CN110474746B (en) | Scheduling method and device | |
| WO2014007010A1 (en) | Base station and communication method | |
| CN117981446A (en) | Method and device for sidestream communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1176497 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1176497 Country of ref document: HK |